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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - After r316416, Assertion failed: ((size_t)StackDisp < Context.MovVector.size() && "Function call has more parameters than the stack is adjusted for."), function collectCallInfo, file lib/Target/X86/X86CallFrameOptimization.c"
href="https://bugs.llvm.org/show_bug.cgi?id=35814">35814</a>
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<th>Summary</th>
<td>After r316416, Assertion failed: ((size_t)StackDisp < Context.MovVector.size() && "Function call has more parameters than the stack is adjusted for."), function collectCallInfo, file lib/Target/X86/X86CallFrameOptimization.c
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>new bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>dimitry@andric.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>As reported in <a href="https://bugs.freebsd.org/224863">https://bugs.freebsd.org/224863</a>, clang 6.0.0 (trunk r321545)
asserts on compiling oleacc_classes_p.c of the emulators/wine port:
Starting program: /usr/bin/clang -cc1 -triple x86_64-unknown-freebsd12.0
-emit-obj -disable-free -main-file-name oleacc_classes_p.c -mrelocation-model
pic -pic-level 2 -mthread-model posix -mdisable-fp-elim -relaxed-aliasing
-masm-verbose -mconstructor-aliases -munwind-tables -target-cpu x86-64
-dwarf-column-info -debugger-tuning=gdb -coverage-notes-file
/wrkdirs/usr/ports/emulators/wine-devel/work/wine-3.0-rc4/dlls/oleacc/oleacc_classes_p.gcno
-D __WINESRC__ -D _REENTRANT -O2 -Wall -Wdeclaration-after-statement
-Wempty-body -Wignored-qualifiers -Wstrict-prototypes -Wtype-limits -Wvla
-Wwrite-strings -Wpointer-arith -fconst-strings -ferror-limit 19
-fmessage-length 101 -stack-protector 1 -fobjc-runtime=gnustep
-fdiagnostics-show-option -fcolor-diagnostics -vectorize-loops -vectorize-slp
-x c oleacc_classes_p-3e201b.c
Assertion failed: ((size_t)StackDisp < Context.ArgStoreVector.size() &&
"Function call has more parameters than the stack is adjusted for."), function
collectCallInfo, file
/share/dim/src/freebsd/clang600-import/contrib/llvm/lib/Target/X86/X86CallFrameOptimization.cpp,
line 449.
Program received signal SIGABRT, Aborted.
thr_kill () at thr_kill.S:3
3 thr_kill.S: No such file or directory.
(gdb) bt
#0 thr_kill () at thr_kill.S:3
#1 0x00000000041090bf in __raise (s=6) at
/share/dim/src/freebsd/clang600-import/lib/libc/gen/raise.c:54
#2 0x0000000004109039 in abort () at
/share/dim/src/freebsd/clang600-import/lib/libc/stdlib/abort.c:67
#3 0x000000000417864a in __assert (func=<optimized out>, file=<optimized out>,
line=<optimized out>, failedexpr=<optimized out>) at
/share/dim/src/freebsd/clang600-import/lib/libc/gen/assert.c:53
#4 0x00000000029d5577 in collectCallInfo () at
/share/dim/src/freebsd/clang600-import/contrib/llvm/lib/Target/X86/X86CallFrameOptimization.cpp:448
#5 runOnMachineFunction () at
/share/dim/src/freebsd/clang600-import/contrib/llvm/lib/Target/X86/X86CallFrameOptimization.cpp:264
#6 0x0000000003c96876 in runOnFunction () at
/share/dim/src/freebsd/clang600-import/contrib/llvm/lib/CodeGen/MachineFunctionPass.cpp:62
#7 0x000000000374326a in runOnFunction () at
/share/dim/src/freebsd/clang600-import/contrib/llvm/lib/IR/LegacyPassManager.cpp:1520
#8 0x0000000003743553 in runOnModule () at
/share/dim/src/freebsd/clang600-import/contrib/llvm/lib/IR/LegacyPassManager.cpp:1541
#9 0x0000000003743a82 in runOnModule () at
/share/dim/src/freebsd/clang600-import/contrib/llvm/lib/IR/LegacyPassManager.cpp:1597
#10 run () at
/share/dim/src/freebsd/clang600-import/contrib/llvm/lib/IR/LegacyPassManager.cpp:1700
#11 0x00000000015c9518 in EmitAssembly () at
/share/dim/src/freebsd/clang600-import/contrib/llvm/tools/clang/lib/CodeGen/BackendUtil.cpp:815
#12 EmitBackendOutput () at
/share/dim/src/freebsd/clang600-import/contrib/llvm/tools/clang/lib/CodeGen/BackendUtil.cpp:1181
#13 0x00000000015c3894 in HandleTranslationUnit () at
/share/dim/src/freebsd/clang600-import/contrib/llvm/tools/clang/lib/CodeGen/CodeGenAction.cpp:292
#14 0x0000000001fbd372 in ParseAST () at
/share/dim/src/freebsd/clang600-import/contrib/llvm/tools/clang/lib/Parse/ParseAST.cpp:159
#15 0x00000000019d236e in Execute () at
/share/dim/src/freebsd/clang600-import/contrib/llvm/tools/clang/lib/Frontend/FrontendAction.cpp:897
#16 0x00000000027b7b71 in ExecuteAction () at
/share/dim/src/freebsd/clang600-import/contrib/llvm/tools/clang/lib/Frontend/CompilerInstance.cpp:991
#17 0x00000000015a1a33 in ExecuteCompilerInvocation () at
/share/dim/src/freebsd/clang600-import/contrib/llvm/tools/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp:252
#18 0x00000000015967d0 in cc1_main () at
/share/dim/src/freebsd/clang600-import/contrib/llvm/tools/clang/tools/driver/cc1_main.cpp:221
#19 0x000000000159effa in ExecuteCC1Tool () at
/share/dim/src/freebsd/clang600-import/contrib/llvm/tools/clang/tools/driver/driver.cpp:309
#20 main () at
/share/dim/src/freebsd/clang600-import/contrib/llvm/tools/clang/tools/driver/driver.cpp:388
The test case minimizes to:
/* clang -cc1 -triple x86_64 -S -O1 oleacc_classes_p-minimized.c */
struct {
struct {
struct {
short a;
struct {
struct {
void *b;
int c;
};
};
};
};
} d;
int e, f;
void g() __attribute__((ms_abi));
void h() { g(d, f, e, d, d); }
This regressed with <a href="https://reviews.llvm.org/rL316416">https://reviews.llvm.org/rL316416</a>, which is a fix for bug
34903.</pre>
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