Repository: flutter
Issue: SIGSEGV during hot reload
Labels: c: crash,tool,dependency: dart,t: hot reload,customer: crowd,P2,team-tool,triaged-tool

## Steps to Reproduce

1. Random change of the running app source code
2. Save, triggers hot reload
3. Crash

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**Target Platform: Android 9**
**LG G6**


## Logs

```
Performing hot reload...
Syncing files to device LGM G600L...
F/libc    (29643): Fatal signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x75ce9cce18 in tid 29664 (Thread-3), pid 29643 (ntsoft.pavement)
*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
Build fingerprint: 'lge/lucye_lgu_kr/lucye:9/PKQ1.190522.001/192601604c1e3:user/release-keys'
Revision: '12'
ABI: 'arm64'
pid: 29643, tid: 29664, name: Thread-3  >>> net.pavementsoft.pavement <<<
signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x75ce9cce18
    x0  00000076c6d80640  x1  0000000000000044  x2  000000009be096d0  x3  0000000000000045
    x4  00000000ffffffff  x5  00000076d097c360  x6  0000000000000002  x7  00000000000000e4
    x8  00000076c6d80640  x9  ffffffff07c4c7d8  x10 000000003e0f4e00  x11 0000000000000004
    x12 0000000000000005  x13 0000000000000001  x14 0000000000000bc0  x15 0000000000008886
    x16 000000776b6e3bd0  x17 0000000000003800  x18 00000076d097c388  x19 00000076ce84be98
    x20 00000076ce84bee8  x21 00000076debe28e0  x22 ffffffff07c4c7d8  x23 0000000000000001
    x24 000000000001fec6  x25 00000076d024d250  x26 0000000000000000  x27 00000076c3960df0
    x28 00000076e3411ad8  x29 00000076cc4badb0
    sp  00000076ce84be50  lr  00000076cfe278d8  pc  00000076cfe279f8
backtrace:
    #00 pc 00000000015d99f8  /data/app/net.pavementsoft.pavement-GinPXwGjthqn3s_vdqVZvA==/lib/arm64/libflutter.so (offset 0x11c0000)
    #01 pc 00000000015d9e5c  /data/app/net.pavementsoft.pavement-GinPXwGjthqn3s_vdqVZvA==/lib/arm64/libflutter.so (offset 0x11c0000)
    #02 pc 00000000015c8620  /data/app/net.pavementsoft.pavement-GinPXwGjthqn3s_vdqVZvA==/lib/arm64/libflutter.so (offset 0x11c0000)
    #03 pc 00000000015c0e0c  /data/app/net.pavementsoft.pavement-GinPXwGjthqn3s_vdqVZvA==/lib/arm64/libflutter.so (offset 0x11c0000)
    #04 pc 00000000016de8e0  /data/app/net.pavementsoft.pavement-GinPXwGjthqn3s_vdqVZvA==/lib/arm64/libflutter.so (offset 0x11c0000)
    #05 pc 00000000016d5108  /data/app/net.pavementsoft.pavement-GinPXwGjthqn3s_vdqVZvA==/lib/arm64/libflutter.so (offset 0x11c0000)
    #06 pc 00000000016d56a8  /data/app/net.pavementsoft.pavement-GinPXwGjthqn3s_vdqVZvA==/lib/arm64/libflutter.so (offset 0x11c0000)
    #07 pc 00000000015be550  /data/app/net.pavementsoft.pavement-GinPXwGjthqn3s_vdqVZvA==/lib/arm64/libflutter.so (offset 0x11c0000)
    #08 pc 00000000015e8d80  /data/app/net.pavementsoft.pavement-GinPXwGjthqn3s_vdqVZvA==/lib/arm64/libflutter.so (offset 0x11c0000)
    #09 pc 00000000015e9130  /data/app/net.pavementsoft.pavement-GinPXwGjthqn3s_vdqVZvA==/lib/arm64/libflutter.so (offset 0x11c0000)
    #10 pc 00000000016fe0f4  /data/app/net.pavementsoft.pavement-GinPXwGjthqn3s_vdqVZvA==/lib/arm64/libflutter.so (offset 0x11c0000)
    #11 pc 00000000016cd10c  /data/app/net.pavementsoft.pavement-GinPXwGjthqn3s_vdqVZvA==/lib/arm64/libflutter.so (offset 0x11c0000)
    #12 pc 0000000000001668  <anonymous:00000076cd180000>
Lost connection to device.
```

<!--
     Run `flutter analyze` and attach any output of that command below.
     If there are any analysis errors, try resolving them before filing this issue.
-->

```
D:\dev\pavement>flutter analyze
Analyzing pavement...
No issues found! (ran in 5.0s)
```

<!-- Finally, paste the output of running `flutter doctor -v` here. -->

```
D:\dev\pavement>flutter doctor -v
[√] Flutter (Channel stable, v1.9.1+hotfix.4, on Microsoft Windows [Version 10.0.17134.1006], locale en-GB)
    • Flutter version 1.9.1+hotfix.4 at C:\tools\flutter
    • Framework revision cc949a8e8b (3 weeks ago), 2019-09-27 15:04:59 -0700
    • Engine revision b863200c37
    • Dart version 2.5.0


[√] Android toolchain - develop for Android devices (Android SDK version 28.0.3)
    • Android SDK at c:\tools\Android-SDK
    • Android NDK location not configured (optional; useful for native profiling support)
    • Platform android-29, build-tools 28.0.3
    • ANDROID_HOME = c:\tools\Android-SDK
    • Java binary at: C:\tools\android-studio\jre\bin\java
    • Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b03)
    • All Android licenses accepted.

[√] Android Studio (version 3.5)
    • Android Studio at C:\tools\android-studio
    • Flutter plugin version 40.2.2
    • Dart plugin version 191.8580
    • Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b03)

[!] VS Code, 32-bit edition (version 1.37.1)
    • VS Code at C:\Program Files (x86)\Microsoft VS Code
    X Flutter extension not installed; install from
      https://marketplace.visualstudio.com/items?itemName=Dart-Code.flutter

[√] Connected device (1 available)
    • LGM G600L • LGMG600Lf8469764 • android-arm64 • Android 9 (API 28)

! Doctor found issues in 1 category.
```