fixed misleading doc block
optimized circular reference checker
merged branch tgabi333/master (PR #8891)

This PR was submitted for the master branch but it was merged into the 2.2 branch instead (closes #8891).

Discussion
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[DependencyInjection] optimized circular reference checker

| Q             | A
| ------------- | ---
| Bug fix?      | [no]
| New feature?  | [no]
| BC breaks?    | [no]
| Deprecations? | no]
| Tests pass?   | [yes]
| Fixed tickets | []
| License       | MIT
| Doc PR        | []

It is an addtion to my previous PR https://github.com/symfony/symfony/pull/7699

There is no need to check again previously checked sub-trees.

In our tightly coupled services graph, this circular reference check runs avg 1,5ms, before that: 100ms

Commits
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67ebf8f optimized circular reference checker
merged branch kriswallsmith/http/misleading-comment (PR #8886)

This PR was merged into the 2.3 branch.

Discussion
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fixed misleading doc block

This doc block does not match what's happening in the code.

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | ~
| License       | MIT
| Doc PR        | ~

Commits
-------

4d01e7e fixed misleading doc block
Fixed PHPDoc Blocks

These ```RunTimeExceptions``` are NOT the native ones, therefor the should not be ```\``` in front of them.
merged branch ChristianGaertner/patch-1 (PR #8887)

This PR was submitted for the master branch but it was merged into the 2.2 branch instead (closes #8887).

Discussion
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[Process] Fixed PHPDoc Blocks

These ```RunTimeExceptions``` are NOT the native ones, therefor the should not be ```\``` in front of them.

| Q             | A
| ------------- | ---
| Fixed tickets | none
| License       | MIT

Commits
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26e9717 Fixed PHPDoc Blocks
merged branch fabpot/fragment-urls (PR #8879)

This PR was merged into the 2.2 branch.

Discussion
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Made fragment URLs relative instead of absolute by default

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #8458
| License       | MIT
| Doc PR        | n/a

This fixes a regression introduced with the new fragment system where fragment URLs were generated as absolute URLs. As per the ESI spec, there is no need to generate an absolute URL and this can even be problematic when dealing with internal sub-requests in a more "complex" hosting environment.

Commits
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91234cd [HttpKernel] changed fragment URLs to be relative by default (closes #8458)
[Security] fixed some phpdoc
Merge branch '2.2' into 2.3

* 2.2:
  [Security] fixed some phpdoc
  Fixed PHPDoc Blocks
  optimized circular reference checker
  [HttpKernel] changed fragment URLs to be relative by default (closes #8458)
[HttpKernel] fixed route parameters storage in the Request data collector (closes #8867)
merged branch stloyd/bugfix/issue7929 (PR #8697)

This PR was merged into the 2.2 branch.

Discussion
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[2.2] [BrowserKit] Pass headers when `followRedirect()` is called

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Tests pass?   | yes
| Fixed tickets | #7929
| License       | MIT

Commits
-------

0d07af8 [BrowserKit] Pass headers when `followRedirect()` is called
[BrowserKit] fixed headers when redirecting if history is set to false (refs #8697)
[BrowserKit] removed some headers when redirecting a request
[BrowserKit] fixed method/files/content when redirecting a request
[Yaml] Fixed filename in the ParseException message
merged branch fabpot/browserkit-redirect-22 (PR #8895)

This PR was merged into the 2.2 branch.

Discussion
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[BrowserKit] fixed the redirect behavior according to the RFC

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | n/a
| License       | MIT
| Doc PR        | n/a

Commits
-------

2d34e78 [BrowserKit] fixed method/files/content when redirecting a request
64e1655 [BrowserKit] removed some headers when redirecting a request
96a4b00 [BrowserKit] fixed headers when redirecting if history is set to false (refs #8697)
Merge branch '2.2' into 2.3

* 2.2:
  [BrowserKit] fixed method/files/content when redirecting a request
  [BrowserKit] removed some headers when redirecting a request
  [BrowserKit] fixed headers when redirecting if history is set to false (refs #8697)
  [BrowserKit] Pass headers when `followRedirect()` is called

Conflicts:
	src/Symfony/Component/BrowserKit/Client.php
	src/Symfony/Component/BrowserKit/Tests/ClientTest.php
merged branch fabpot/router-webprofiler (PR #8894)

This PR was merged into the 2.2 branch.

Discussion
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[HttpKernel] fixed route parameters storage in the Request data collector (closes #8867)

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #8867
| License       | MIT
| Doc PR        | n/a

Commits
-------

c931eb7 [HttpKernel] fixed route parameters storage in the Request data collector (closes #8867)
merged branch stloyd/bugfix/issue-7724 (PR #8393)

This PR was merged into the 2.2 branch.

Discussion
----------

[2.2] Return BC compatibility for `@Route` parameters and default values

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #7724
| License       | MIT

Commits
-------

d400b5a Return BC compatibility for `@Route` parameters and default values
fixed typo